CN201738343U - Barrier vibration isolation integrated with diaphram wall and spraying-anchor support - Google Patents
Barrier vibration isolation integrated with diaphram wall and spraying-anchor support Download PDFInfo
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- CN201738343U CN201738343U CN2010202612940U CN201020261294U CN201738343U CN 201738343 U CN201738343 U CN 201738343U CN 2010202612940 U CN2010202612940 U CN 2010202612940U CN 201020261294 U CN201020261294 U CN 201020261294U CN 201738343 U CN201738343 U CN 201738343U
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Abstract
The utility model relates to a barrier vibration isolation integrated with a diaphram wall and a spraying-anchor support. The structure is as follows: the diaphram wall is arranged between the traffic rail and the building or the structure, and is connected with the spraying-anchor support structure through an anchor rod during construction of the diaphram wall and the building or the structure; plain concrete is poured between the diaphram wall and the spraying-anchor support structure; the gap between the diaphram wall and the main-structure basement concrete side walls of the building or the structure is provided with a filling material layer; the bottom and the top of the filling material layer are respectively provided with a reinforced concrete prefabricated flat connecting on the diaphram wall and the main-structure basement concrete side wall; and an independent base beam is arranged at the bottom of the diaphram wall. The barrier vibration isolation can be constructed with the building or the main structure of the structure, can save engineering cost and facilitate construction; the embedding depth can not be limited to the construction field; the effect of vibration isolation of the barrier is fully played; the effect of the vibration isolation is better than that of the single barrier vibration isolation.
Description
Technical field
The utility model relates to a kind of vibration isolation measure, specifically is diaphragm wall and the incorporate barrier vibration isolation of combined bolting and shotcrete that a kind of track traffic building of along the line vibration environment being had relatively high expectations or structure are taked.
Background technology
Advantages such as track traffic is big with its freight volume, high speed is convenient, air pollution index is little have become the effective measures that solve the urban traffic congestion.The vibration that train operation meanwhile causes is to surrounding enviroment, and the normal use of building safety and precision instrument has caused more and more and seriously influenced, and this problem is subjected to various countries scholar's generally attention, seeks various effective vibration damping and vibration isolation measures one after another.Control vibration source and cut-out wave propagation approach are effective vibration isolation measures: aspect the control vibration source, various countries scholar's research concentrates on the development of vibration damping type track structure and rail fastening, the wherein common iron chair fastener of the flexible bed course of one-level vibration damping form, track vibration-reducing device, LORD fastener and Pan Delu pioneer (Vanguard) fastener etc., the flexible sleeper of secondary vibration damping form, the formula of floating track etc.Aspect cut-out wave propagation approach, various countries scholar's research concentrates on the barrier vibration isolation, wherein barrier is free ditch, fills ditch (ditch that haydite, sand, sawdust are filled, diaphragm wall etc.), porose row of discontinuous barrier (wave resistance piece WIB) and a row (single row or multiple rows powder spray piling) etc. continuously.
But for the location (precision instrument laboratory, hospital etc.) that has special vibration damping to need, single vibration isolation measure does not reach the effectiveness in vibration suppression of expection sometimes, need the reasonable combination of several measures, and there is poor stability in traditional barrier vibration isolation; Embedding (excavation) degree of depth is not enough, is not enough to reach the effectiveness in vibration suppression of expection; Boundary of works area is bigger, is subjected to the influence of surrounding enviroment easily, and boundary of works area such as is restricted at shortcoming.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of diaphragm wall and combined bolting and shotcrete structure-integrated barrier vibration isolation, make the energy of the soil body vibration wave that track traffic causes in this vibration insulation structure, obtain decay, reduce to arrive the energy of the vibration wave of building or structure, and then reduce the building that track traffic causes or the vibration of structure.
The technical scheme that its technical problem that solves the utility model adopts is: between building or structure diaphragm wall is set in track traffic, combined bolting and shotcrete structure when diaphragm wall and building or structure construction links together by anchor pole, is perfused with plain concrete between diaphragm wall and the combined bolting and shotcrete structure; Space between the agent structure concrete of basement side wall of diaphragm wall and building or structure is an encapsulant layer; Bottom and top at encapsulant layer respectively are provided with a reinforced concrete prefabricated flat board, are overlapped on diaphragm wall and the agent structure concrete of basement side wall; The bottom of diaphragm wall is provided with independently grade beam.
The utility model compared with prior art has following major advantage:
One. can walk abreast with building or structure agent structure and construct the reduction of erection time;
They are two years old. make full use of the combined bolting and shotcrete structure, convenient construction;
They are three years old. and do not need to take in addition the construction plant, save engineering cost;
They are four years old. and utilize diaphragm wall to intercept the characteristics of vibration wave and encapsulant layer friction energy-dissipating, the vibration isolation and damping effect is better than single barrier;
They are five years old. and the buried depth of diaphragm wall and encapsulant layer can be identical with building or structure agent structure basement buried depth, even greater than building or structure agent structure basement buried depth, give full play to the vibration isolating effect of barrier vibration isolation.
Traditional barrier vibration isolation does not utilize the deep foundation pit supporting structure of building or structure, and after building or structure built up, deep foundation pit supporting structure was discarded fully, when doing the barrier vibration isolation design, needs at barrier vibration isolation the redesign deep foundation pit supporting structure.The utility model makes full use of the deep foundation pit supporting structure of building or structure, also can carry out construction of the present utility model in building or structure construction.Than traditional barrier vibration isolation, the utility model duration can shorten 20 days, saves about 500,000 yuan of construction costs.
Traditional single barrier vibration isolation effect reaches 4～5dB, and vibration isolating effect of the present utility model can reach 10～15dB.
Description of drawings
Fig. 1 is the layout plan of the utility model and building or structure agent structure, and this figure mainly shows the relative position relation of the utility model and building or structure agent structure.
Fig. 2 is an A-A sectional view among Fig. 1, and this figure mainly shows the detail structure of the utility model along the dark direction of soil.
Among the figure: 1. the agent structure of building or structure; 2. barrier vibration isolation; 3. concrete spray coating; 4. plain concrete layer; 5. diaphragm wall; 6. plain soil layer; 7. anchor pole; 8. the first prefabricated reinforced concrete flat board; 9. grade beam; 10. second plain concrete cushion layer; 11. first plain concrete cushion layer; 12. agent structure basement grade beam; 13. agent structure concrete of basement base plate; 14. second rubber layer; 15. encapsulant layer; 16. agent structure concrete of basement side wall; 17. the second prefabricated reinforced concrete flat board; 18. agent structure concrete of basement top board; 19. first rubber layer.
The specific embodiment
The incorporate barrier vibration isolation of diaphragm wall that the utility model provides and combined bolting and shotcrete, it is a kind of vibration isolation measure that track traffic building of along the line vibration environment being had relatively high expectations or structure are taked, the utility model be arranged on building or structure agent structure 1 bottom around, barrier vibration isolation 2 promptly shown in Figure 1.
The utility model is described in further detail below in conjunction with accompanying drawing.
The structure of the barrier vibration isolation 2 that the utility model provides is as shown in Figure 2: in track traffic diaphragm wall 5 is set between building or structure, as the first road barrier that intercepts vibration wave, it is little to consider that R wave influences the degree of depth, big these characteristics of influence basin, and reduce from the barrier side vibration wave in diffraction past as far as possible, the layout form of diaphragm wall 5 is the U font, and building or structure are surrounded.Between the agent structure concrete of basement side wall 16 of diaphragm wall 5 and building or structure, encapsulant layer 15 is set, as the second road barrier that intercepts vibration wave.In the outside of diaphragm wall 5 is plain concrete layer 4 and concrete spray coating 3 successively, and their threes link together by anchor pole 7.Diaphragm wall 5 is seated on second plain concrete cushion layer 10 by grade beam 9 independently.Concrete spray coating 3 and anchor pole 7 constitute the combined bolting and shotcrete structure.
Described encapsulant layer 15, its bottom is provided with first reinforced concrete prefabricated dull and stereotyped 8 and second reinforced concrete prefabricated dull and stereotyped 17 respectively with top, adopt the mode of overlap joint between two reinforced concrete prefabricated flat boards and diaphragm wall 5 and the agent structure concrete of basement side wall 16, fill with rubber respectively in the space of overlap joint, forms second rubber layer 14 and first rubber layer 19.
Described encapsulant layer 15 is the haydite layer, utilizes the bulk characteristics of haydite, reaches the purpose of friction energy-dissipating.This encapsulant layer also can be a layer of sand, or the block rubber layer.
Described agent structure concrete of basement side wall 16, its top is provided with agent structure concrete of basement top board 18, its bottom is an agent structure concrete of basement base plate 13, and this base plate is seated on first plain concrete cushion layer 11 by agent structure basement grade beam 12.
In the bottom of above-mentioned agent structure concrete of basement base plate 13, first plain concrete cushion layer 11, dull and stereotyped 8 and second plain concrete cushion layer 10 of first prefabricated reinforced concrete, and agent structure basement grade beam 12, grade beam 9 and concrete spray coating is plain soil layer 6 on every side.
The parallel construction of the utility model and building or structure agent structure.Its job practices is: after anchor supporting and protection structure to be painted is stable, according to the geological mapping data in place, carry out grade beam 9 designs of diaphragm wall.Cast-in-place diaphragm wall 5 on described grade beam.Anchor pole 7 lap-joints of the steel mesh reinforcement of diaphragm wall 5 and combined bolting and shotcrete structure carry out necessary anchoring measure, guarantee the stability of diaphragm wall.After treating that agent structure concrete of basement side wall 16 and diaphragm wall 5 constructions finish, the first prefabricated reinforced concrete flat board 8 is overlapped on grade beam 9 and the agent structure basement grade beam 12, (Fig. 2) filled with second rubber layer 14 in the overlap joint space; Space between diaphragm wall 5 and the agent structure concrete of basement side wall 16 is an encapsulant layer 15, and this encapsulant layer is formed by the haydite of backfill; Space perfusion plain concrete between diaphragm wall 5 and the combined bolting and shotcrete structure, formin layer of concrete 4.And haydite backfill height is consistent with the plain concrete influx height as far as possible, guarantees the stability of diaphragm wall.The haydite backfill finishes, and the second prefabricated reinforced concrete flat board 17 is overlapped on diaphragm wall 5 and the agent structure concrete of basement side wall 16, and fill with rubber in the overlap joint space, forms first rubber layer 19 (Fig. 2).
The utility model can walk abreast with building or structure agent structure and construct, and the reduction of erection time, major advantage is: do not take the construction plant in addition, save engineering cost; Can make full use of the deep foundation pit supporting structure of building or structure, convenient construction; Buried depth can not limited by the construction plant, gives full play to the vibration isolating effect of barrier vibration isolation; Vibration isolating effect is better than single barrier vibration isolation.Be mainly used on the vibration damping and vibration isolation of building that track traffic causes or structure vibration.
Vibration damping and vibration isolation process of the present utility model is: with the space between haydite filling diaphragm wall 5 and the agent structure concrete of basement side wall 16, the plain concrete layer is filled the space between diaphragm wall and the combined bolting and shotcrete structure, after this vibration isolation measure is set, the actual attenuation situation of vibration wave is: the light rail train operation, cause the vibration of soil layer on every side, part vibration wave energy intercepts through this vibration isolation measure earlier, enter backfill haydite layer afterwards, after the friction energy-dissipating of backfill haydite layer, arrive building or structure at last, cause the vibration of building or structure.
Claims (5)
1. the incorporate barrier vibration isolation of diaphragm wall and combined bolting and shotcrete, it is characterized in that: between building or structure, diaphragm wall is set in track traffic, combined bolting and shotcrete structure when diaphragm wall and building or structure construction links together by anchor pole, is perfused with plain concrete between diaphragm wall and the combined bolting and shotcrete structure; Space between the agent structure concrete of basement side wall of diaphragm wall and building or structure is an encapsulant layer; Bottom and top at encapsulant layer respectively are provided with a reinforced concrete prefabricated flat board, are overlapped on diaphragm wall and the agent structure concrete of basement side wall; The bottom of diaphragm wall is provided with independently grade beam.
2. diaphragm wall according to claim 1 and the incorporate barrier vibration isolation of combined bolting and shotcrete, the layout form that it is characterized in that diaphragm wall is the U font, and building or structure are surrounded.
3. diaphragm wall according to claim 1 and the incorporate barrier vibration isolation of combined bolting and shotcrete is characterized in that being overlapped on space part on diaphragm wall and the agent structure concrete of basement side wall at reinforced concrete prefabricated flat board, all fill with rubber.
4. diaphragm wall according to claim 1 and the incorporate barrier vibration isolation of combined bolting and shotcrete is characterized in that described combined bolting and shotcrete structure is made of concrete spray coating and anchor pole.
5. diaphragm wall according to claim 1 and the incorporate barrier vibration isolation of combined bolting and shotcrete is characterized in that described encapsulant layer is haydite layer, layer of sand or block rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202612940U CN201738343U (en) | 2010-07-16 | 2010-07-16 | Barrier vibration isolation integrated with diaphram wall and spraying-anchor support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202612940U CN201738343U (en) | 2010-07-16 | 2010-07-16 | Barrier vibration isolation integrated with diaphram wall and spraying-anchor support |
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| Publication Number | Publication Date |
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| CN201738343U true CN201738343U (en) | 2011-02-09 |
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| CN2010202612940U Expired - Fee Related CN201738343U (en) | 2010-07-16 | 2010-07-16 | Barrier vibration isolation integrated with diaphram wall and spraying-anchor support |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015463A (en) * | 2011-03-18 | 2013-04-03 | 张继红 | Foundation isolation construction method for built building and isolation structure used by same |
| CN103790185A (en) * | 2014-01-29 | 2014-05-14 | 中国航空规划建设发展有限公司 | Shock insulation groove enclosure wall for deep foundation shock insulation structure and constructing method of shock insulation groove enclosure wall |
| CN103938657A (en) * | 2014-05-09 | 2014-07-23 | 山东大学 | Vibration isolation plate device in soil matrix treatment engineering and construction technology thereof |
| CN105386472A (en) * | 2015-12-10 | 2016-03-09 | 青岛理工大学 | Embedded composite damping structure and construction method thereof |
| CN108708393A (en) * | 2018-06-04 | 2018-10-26 | 广东工业大学 | A kind of Vibrant buffer layer of retaining wall |
-
2010
- 2010-07-16 CN CN2010202612940U patent/CN201738343U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015463A (en) * | 2011-03-18 | 2013-04-03 | 张继红 | Foundation isolation construction method for built building and isolation structure used by same |
| CN103790185A (en) * | 2014-01-29 | 2014-05-14 | 中国航空规划建设发展有限公司 | Shock insulation groove enclosure wall for deep foundation shock insulation structure and constructing method of shock insulation groove enclosure wall |
| CN103938657A (en) * | 2014-05-09 | 2014-07-23 | 山东大学 | Vibration isolation plate device in soil matrix treatment engineering and construction technology thereof |
| CN103938657B (en) * | 2014-05-09 | 2015-08-05 | 山东大学 | Vibration isolation panel assembly in soil treatment engineering and construction technology thereof |
| CN105386472A (en) * | 2015-12-10 | 2016-03-09 | 青岛理工大学 | Embedded composite damping structure and construction method thereof |
| CN105386472B (en) * | 2015-12-10 | 2018-06-26 | 青岛理工大学 | A kind of embed-type compound damping structure and its construction method |
| CN108708393A (en) * | 2018-06-04 | 2018-10-26 | 广东工业大学 | A kind of Vibrant buffer layer of retaining wall |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20120716 |